Home / 10,828.18-16,242.66-5,561.77

Finding the Fourth Proportional to 10,828.18, 16,242.66 and 5,561.77

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Solution

The fourth proportional to 10,828.18, 16,242.66 and 5,561.77 is: 8,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.18 : 16,242.66 = 5,561.77 : x
  2. Step 2: Convert to fraction form
    10,828.18/16,242.66 = 5,561.77/x
  3. Step 3: Cross multiply
    10,828.18x = 16,242.66 × 5,561.77
  4. Step 4: Simplify right side
    10,828.18x = 90,337,939.11
  5. Step 5: Solve for x
    x = 90,337,939.11/10,828.18
  6. Step 6: Final answer
    x = 8,342.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.